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4 | DATE(1L) DATE(1L) | |
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7 | N\bNA\bAM\bME\bE | |
8 | date - print or set the system date and time | |
9 | ||
10 | S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS | |
11 | d\bda\bat\bte\be [-u] [-s new-date] [+FORMAT] [MMDDhhmm[[CC]YY][.ss]] | |
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13 | D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN | |
14 | This manual page documents the GNU version of d\bda\bat\bte\be. d\bda\bat\bte\be | |
15 | with no arguments prints the current time and date (in the | |
16 | format of the `%c' directive described below). If given | |
17 | an argument that starts with a `+', it prints the current | |
18 | time and date in a format controlled by that argument, | |
19 | which has the same format as the format string passed to | |
20 | the `strftime' function. Except for directives that start | |
21 | with `%', characters in that string are printed unchanged. | |
22 | ||
23 | The directives are: | |
24 | ||
25 | % a literal % | |
26 | ||
27 | n a newline | |
28 | ||
29 | t a horizontal tab | |
30 | ||
31 | Time fields: | |
32 | ||
33 | %H hour (00..23) | |
34 | ||
35 | %I hour (00..12) | |
36 | ||
37 | %M minute (00..59) | |
38 | ||
39 | %p locale's AM or PM | |
40 | ||
41 | %r time, 12-hour (hh:mm:ss [AP]M) | |
42 | ||
43 | %S second (00..61) | |
44 | ||
45 | %T time, 24-hour (hh:mm:ss) | |
46 | ||
47 | %X locale's time representation (%H:%M:%S) | |
48 | ||
49 | %Z time zone (e.g., EDT), or nothing if no time zone | |
50 | is determinable | |
51 | ||
52 | Date fields: | |
53 | ||
54 | %a locale's abbreviated weekday name (Sun..Sat) | |
55 | ||
56 | %A locale's full weekday name, variable length (Sun- | |
57 | day..Saturday) | |
58 | ||
59 | %b locale's abbreviated month name (Jan..Dec) | |
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64 | 1 | |
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70 | DATE(1L) DATE(1L) | |
71 | ||
72 | ||
73 | %B locale's full month name, variable length (Jan- | |
74 | uary..December) | |
75 | ||
76 | %c locale's date and time (Sat Nov 04 12:02:33 EST | |
77 | 1989) | |
78 | ||
79 | %d day of month (01..31) | |
80 | ||
81 | %D date (mm/dd/yy) | |
82 | ||
83 | %h same as %b | |
84 | ||
85 | %j day of year (001..366) | |
86 | ||
87 | %m month (01..12) | |
88 | ||
89 | %U week number of year with Sunday as first day of | |
90 | week (00..53) | |
91 | ||
92 | %w day of week (0..6) | |
93 | ||
94 | %W week number of year with Monday as first day of | |
95 | week (00..53) | |
96 | ||
97 | %x locale's date representation (mm/dd/yy) | |
98 | ||
99 | %y last two digits of year (00..99) | |
100 | ||
101 | %Y year (1970...) | |
102 | ||
103 | If given an argument that does not start with `+', d\bda\bat\bte\be | |
104 | sets the system clock to the time and date specified by | |
105 | that argument. The argument must consist entirely of dig- | |
106 | its, which have the following meaning: | |
107 | ||
108 | MM month | |
109 | ||
110 | DD day within month | |
111 | ||
112 | hh hour | |
113 | ||
114 | mm minute | |
115 | ||
116 | CC first two digits of year (optional) | |
117 | ||
118 | YY last two digits of year (optional) | |
119 | ||
120 | ss second (optional) | |
121 | ||
122 | Only the superuser can set the system clock. | |
123 | ||
124 | O\bOP\bPT\bTI\bIO\bON\bNS\bS | |
125 | -_\bs _\bn_\be_\bw-_\bd_\ba_\bt_\be | |
126 | Set the time and date to _\bn_\be_\bw-_\bd_\ba_\bt_\be, which can be in | |
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136 | DATE(1L) DATE(1L) | |
137 | ||
138 | ||
139 | almost any common format. It can contain month | |
140 | names, timezones, `am' and `pm', etc. | |
141 | ||
142 | -_\bu Print or set the time and date in Universal Coordi- | |
143 | nated Time (also known as Greenwich Mean Time) | |
144 | instead of in local (wall clock) time. | |
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